LED power failure light

Details LED power failure light LED power failure light

2010-02-24

2011-12-27

Ton, Anabel (Department: 2875)

Illumination

Light source and modifier

Condition responsive

C362S640000, C362S641000, C362S642000, C362S644000

Reexamination Certificate

active

08083376

ABSTRACT:
An LED power failure light device has first LED element(s) powered by a power source to serve as a night light and second LED element(s) powered by non-rechargeable batteries to serve as an emergency light, which may incorporate a multiple selection switch to change the numbers, power consumption, blinking, on/off duration percentage of each blinking cycle, colors of the night light, LED sequences, and other extra functions. The power source for the first LED elements may be supplied through prongs inserted into an electrical outlet or through a USB adapter. The LED power failure light device may further including various additional power and cost saving features.

REFERENCES:
patent: 6648496 (2003-11-01), Elghoroury et al.
patent: 7036948 (2006-05-01), Wyatt
patent: 7045975 (2006-05-01), Evans
patent: 7080921 (2006-07-01), Feldstein
patent: 7165876 (2007-01-01), Dickie
patent: 7476002 (2009-01-01), Wolf et al.
patent: 7722230 (2010-05-01), Chien

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